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M8048/M8748/M8035L
WAVEFORMS FOR PROGRAMMING
COMBINATION
PROGRAMNERIFY
MODE
(EPROM'S
ONLY)
EA
23'
/
5'
_____
.1
1+---------
PROGRAM
----------t---
VERIFV---I.I~'----
PROGRAM
-----
tTw_
TO
DBo-DB,
J--
LAST
ADDRESS
tww-
DATA
TO
BE
PROGRAMMED
VALID
,.------,.
--
-<
NEXT
ADDR
C
.
VALID
NEXT
ADDRESS
Voo
+:
J-TI~·~n.-':w-.'----------------------
+23----------~
PROG +5------------
~----------'"'\
+0
___
J
....
_______
_
VERIFY
MODE
(ROM/EPROM)
TO.
RESET
\ .....
_______
..J/
\'--
__
-.J/
\'"----
DBO-OS7
=>---
ADDRESS
10-71
VALID
--
-<
...
__
A_~_~_~_:S_S
__
X
...
_~_~_;_TV_~_~_i~...J>-
- - - - - - -
_____
...J)<:
...
_____
A_DD_R_E_S_S_18_-9_'_V_A_L_'D
_____
)<:
...
______
N_EX_T_A_D_D_R_E_SS_V_A_L_'_D
________
_
NOTES:
1.
PROG
MUST
FLOAT
IF
EA
IS
LOW
(;.e"
*l3V!,
OR
IF
TO
=
5V
FOR
THE
8748.
FOR
THE
8048
PROG
MUST
ALWAVS
FLOAT.
2.
X,
AND
X2
DRIVEN
BV
3
MHz
CLOCK
WILL
GIVE
5"sec
Icv.
THIS
IS
ACCEPTABLE
FOR
ALL
PARTS.
The 8748 EPROM can be programmed
by
either
of
two
Intel products:
1.
PROMPT -48
Microcomputer
Design
Aid,
or
2.
Universal PROM Programmer (UPP Series)
peripheral
of
the Intellec® Development System with a
UPP-848 Personality Card.
6-30
AFN-Q0780A-04